Home / 40,519.99-55,920.39-22,618.48

Finding the Fourth Proportional to 40,519.99, 55,920.39 and 22,618.48

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Solution

The fourth proportional to 40,519.99, 55,920.39 and 22,618.48 is: 31,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.99 : 55,920.39 = 22,618.48 : x
  2. Step 2: Convert to fraction form
    40,519.99/55,920.39 = 22,618.48/x
  3. Step 3: Cross multiply
    40,519.99x = 55,920.39 × 22,618.48
  4. Step 4: Simplify right side
    40,519.99x = 1,264,834,222.81
  5. Step 5: Solve for x
    x = 1,264,834,222.81/40,519.99
  6. Step 6: Final answer
    x = 31,215.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.